package fr.imag.ufrima.ima.project.ui.utils;

import java.io.File;

public class Utils {
	public final static String all = "all";
	public final static String bmp = "bmp";
	public final static String jpg = "jpg";
	public final static String gif = "gif";
	public final static String png = "png";

	public static String getExtension(File f) {
		return Utils.getExtension(f.getName());
	}
	
	public static String getExtension(String filename) {
		String ext = null;
		String s = filename;
		int i = s.lastIndexOf('.');

		if (i > 0 && i < s.length() - 1) {
			ext = s.substring(i + 1).toLowerCase();
		}
		return ext;
	}

}
